胆囊内可移动、无声影的病变可能是()①泥沙样小结石②胆泥③出血④寄生虫
A.①
B.①②
C.①②③
D.④
E.以上均可能
参考答案:E
给婴儿引入第一个食物的原则是()
A.增加能量,补充蛋白质
B.增加能量、水分
C.易于消化,不易过敏,补充铁、补充营养
D.补充蛋白质、维生素
E.补充维生素、铁
按要求完成下列句子,每空一词。
1. He read an interesting storybook last night. (改为一般疑问句)
_______ he_______ an interesting storybook last night?
2. There is little water in the bottle on the desk. (完成反意疑问句)
There is little water in the bottle on the desk, _______ _______?
3. We were doing our homework when the teacher came into the classroom. (就画线部分提问)
_______ were you_______ when the teacher came into the classroom?
4. Both of us did well in the last English exam. (变成否定句)
_______ of us _______ well in the last English exam.
5. The boy is going to study some Japanese next term. (用often改写句子)
The boy _______ _______ some Japanese.